static void plProcExecChild(struct plProc* proc, int stdinFd, int stdoutFd, int stderrFd) /* child part of process startup. */ { plProcSetup(proc, stdinFd, stdoutFd, stderrFd); execvp(proc->cmd[0], proc->cmd); errnoAbort("exec failed: %s", proc->cmd[0]); }
static void plProcExecChild(struct plProc* proc, int stdinFd, int stdoutFd, int stderrFd) /* child part of process startup. */ { plProcSetup(proc, stdinFd, stdoutFd, stderrFd); /* FIXME: add close-on-exec startup error reporting here */ execvp(proc->cmd[0], proc->cmd); errnoAbort("exec failed: %s", proc->cmd[0]); }
static void plProcMemWrite(struct plProc* proc, int stdoutFd, int stderrFd, void *otherEndBuf, size_t otherEndBufSize) /* implements child process to write memory buffer to pipeline after * fork */ { plProcSetup(proc, STDIN_FILENO, stdoutFd, stderrFd); ssize_t wrCnt = write(STDOUT_FILENO, otherEndBuf, otherEndBufSize); if (wrCnt < 0) errnoAbort("pipeline input buffer write failed"); else if (wrCnt != otherEndBufSize) errAbort("pipeline input buffer short write %lld, expected %lld", (long long)wrCnt, (long long)otherEndBufSize); else { close(STDOUT_FILENO); exit(0); } }